Disk partition data loss

HI, I have a dell inspiron G3 3590 laptop, with 4gb nvidia GTX 1650 graphics and an i5 9th gen processor. I recently had got a disk partition done after which my awcc (came pre installed) stopped working. That issue has been resolved, and it was due to the partition only. Now, my D drive is the new partition, and it is empty. All the boot folders and other data and folders are in the C drive. So wil there be a data loss in the C drive, if I merge the D drive into it? NOTE: I HAVE A 512 GIG SSD, AND THAT HAS BEEN PARTITIONED INTO 2 DRIVES. NO INTERNAL HDD HAS BEEN INSTALLED. thak you in advance